Twitter can be an amazingly powerful platform for connecting to your community as well as driving traffic to the various properties you want people to go. Having an event? Tweet it out! Launched a new bag? Tweet it out! ...
If you want to learn more about Twitter read the rest of this article by Tara Hunt. Highly recommended.
You will probably become a follower of hers on twitter too. Her book was referenced in an online presentation [see link below]. That's how I came across her Twitter screen name.
The book does not come out until late this year.
Here is the link for Amazon
You should find the presentation by Pistachio [Laura Fitton] that references Tara Hunt here. This should be the morning lecture.